Semantic Checker is a new and still experimental Firefox addon (download it here) highlighting semantic elements in the web page you are currently viewing. The tool should be used for on-page analysis ...

HTML (Hypertext Markup Language) is a text-based approach to describing how content contained within an HTML file is structured. This markup tells a web browser how to display text, images and other ...

Keeping track of the ever-evolving HTML5 and CSS 3 support in today’s web browsers can be an overwhelming task. Sure you can use CSS animations to create some whiz-bang effects, but should you? Which ...

HTML5 has been billed as a means for developers to create modern Web applications, complete with support for multimedia functionality like video and Canvas 2D. Its emergence has led to questions about ...

It doesn't seem like it's on the fast-track, but sometime in the next year-and-a-half HTML5 video interactivity should become standard in web browsers. That's the thinking of Chuck Hudson, co-author ...

SEO’s love to write about HTML elements as a vital ranking signal, and as a part of any “perfectly” optimized page. To avoid possible confusion, this is not an HTML guide. Aleh Barysevich, Founder and ...

A Google Reader Help thread has a request from one Google Reader user that he would like if Google Reader would support HTML5 elements. He specifically asked that the audio and video elements would be ...